Frankfurter
Convert currencies and fetch blended FX rates from 50+ institutional sources.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.frankfurter.dev/Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.frankfurter.dev/{
"mcpServers": {
"frankfurter": {
"url": "https://mcp.frankfurter.dev/"
}
}
}claude mcp add --transport http frankfurter https://mcp.frankfurter.dev/{
"servers": {
"frankfurter": {
"type": "http",
"url": "https://mcp.frankfurter.dev/"
}
}
}4 tools, verified live
get_ratesread-onlyLatest or a single day's exchange rates. The raw-rate companion to `convert`. With `provider`, published rates from one or more institutions: on its own base the digits are as published, with the date they took effect.
convertread-onlyConvert an amount from one currency to another. Returns {amount, currency} rounded to the target's minor units. Upstream rounds rates per direction; for low-value sources, flip via `get_rates` for more precision. Pass `provider` to use one institution's published rate, e.g. UST for a U.S. Treasury reporting rate.
list_currenciesread-onlyList all supported ISO 4217 currency codes and their full names (e.g. { 'USD': 'United States Dollar' }).
list_providersread-onlyList the institutions whose rates Frankfurter relays, with key, rate type, frequency (daily, monthly or quarterly) and coverage dates. Use a key as `provider` in `convert` or `get_rates` for that institution's published rates instead of the blend.
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